AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:642161

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$338.99
MPN: 642161
Item Package Quantity: 1
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AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:642161
AP Exhaust Catalytic Converter,Catalytic Converter-Direct Fit P/N:642161
$338.99

Keep the exhaust flowing and help your engine meet federal emissions standards with the AP Exhaust Federal / EPA Direct-Fit Catalytic Converter 642161. It installs as a direct-fit replacement for the right-side position on the 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car, 2003-2011 Mercury Grand Marquis, and 2003-2004 Mercury Marauder, all with the V8-4.6L. A catalytic converter routes exhaust through a coated substrate that promotes the chemical reactions which convert harmful gases into less-harmful ones; if the original converter is clogged or has failed its emissions job, this unit replaces it.

  • 409 stainless steel shell and neck construction for longer life.
  • Ceramic substrate featuring Aristo Clean by Design advanced catalyst technology to handle tough emissions demands.
  • Direct-fit connections: 2-bolt loose flange inlet with spherical flare and a 2-bolt welded flange outlet; includes an outlet gasket and provides two sensor ports. No inlet or outlet hardware is included.
  • Built to OE dimensions and fitment with an overall length of 37.5 inches.

This is a Federal / EPA converter and is not CARB certified — it is not intended for sale or installation on vehicles registered in California or other states that require CARB-compliant converters. Made in the United States.

Interchange: 3W1Z5E212GA · 6W1Z5E212A

This part cross-references / interchanges with the following part numbers:

3W1Z5E212GA, 6W1Z5E212A

Frequently Asked Questions

What does this catalytic converter do?

It routes engine exhaust through a coated ceramic substrate that promotes reactions converting harmful gases into less-harmful ones. If the original converter has failed its emissions job, MPN 642161 replaces it.

Which vehicles does the 642161 fit?

It is a direct-fit replacement for the right-side position on the 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car, 2003-2011 Mercury Grand Marquis, and 2003-2004 Mercury Marauder, all with the V8-4.6L.

Is this converter legal in California?

No. It is a Federal / EPA direct-fit converter and is not CARB certified, so it is not intended for sale or installation on vehicles required to use CARB-compliant converters, including those registered in California.

Does it come with installation hardware and gaskets?

An outlet gasket is included and no inlet gasket is required. No inlet or outlet hardware is included, so consult the vehicle service information for the correct fasteners.

What are signs my catalytic converter may need replacing?

Common signs include an illuminated check-engine light for catalyst efficiency, reduced power, a rattle from a broken substrate, or a failed emissions test. Diagnose the cause before replacing.